Department of Hematology and Oncology, Anjo Kosei Hospital, Anjo, Japan. koutarou380@med.nagoya-u.ac.jp. Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan. koutarou380@med.nagoya-u.ac.jp. Department of Hematology and Oncology, Anjo Kosei Hospital, Anjo, Japan. Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan. Center for Supporting Hematology-Oncology Trials, Nagoya, Japan. Department of HSCT Data Management and Biostatistics, Nagoya University, Nagoya, Japan. Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan. Department of Hematology, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan. Department of Hematology, Fujita Health University, Toyoake, Japan. Department of Hematology and Oncology, Konan Kosei Hospital, Konan, Japan. Department of Hematology and Oncology, Chukyo Hospital, Nagoya, Japan. Department of Hematology, Nishio Munishipal Hospital, Nishio, Japan.